The discussion over options for multiple daemons on
systemd [0] has ended with a recommendation that instead
of writing a launcher once can use sh -c exec "$PATH/$DAEMON"
on ExecStart with an Environment=DAEMON=foo specified. This
seems to work with sd_notify() and simplifies this quite a
bit.

[0] http://lists.freedesktop.org/archives/systemd-devel/2014-May/019427.html

Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>